FiLwW 12PCS Swage Tool HVAC Repairing Set with Bit Holder,Air Conditioner Copper Tube Expander Swaging Tool Drill Bit Copper Pipe Swage, 1/4'', 3/8'',1/2'',5/8'',3/4'',7/8'' Bits Set - LP8

• 【HVAC Repairing with Bit Holder Set】Conditioner copper tube expander is professional tool used in HVAC system maintenance. The expander is used to expand the copper pipe to the required diameter in order to connect other pipes or accessories to ensure smooth flow of refrigerant or air. It comes with a FiLwW drill clip keychain, making it easy to carry the tool even when working at height. 【Precise and durable】Conditioner copper tube expander is specially designed for HVAC system maintenance. It is made of high-strength carbon steel and can provide high precision and tightness when expanding copper tubes of different sizes, greatly improving the efficiency of system installation and maintenance. It is suitable for copper tubes of various specifications to meet various installation needs. 【Portable and Versatile】Bit holder keychain is compact and easy to carry around. It can be easily hung on a key ring, backpack or tool bag. It can not only carry drill bits of various specifications for easy access at any time, but also can be used as an emergency gadget. Made of high-quality aluminum alloy materials to ensure its durability in daily use. 【Usage Notes】The set includes six different sizes of HVAC repairing (1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, and 7/8 inch), along with bit keychain holder for easy storage, compatible with a 1/4-inch hex shank. When using the expander, apply even pressure to avoid overexertion that could cause the copper pipe to crack or deform. It's recommended to clean and lubricate the expander before and after use to extend its lifespan. 【Buy with Confidence】FilwW promise to provide you with a satisfactory shopping experience, offering a 30-day unconditional refund policy and a 1-year warranty or replacement service. If you need any assistance or have any questions during use, please feel free to contact us. Our team will respond within 24 hours of your inquiry and work diligently to resolve any issues, ensuring you receive the best service experience.